will he or will he be an attack dog who hasn't eaten any dog food in a week? >> i think romney is going to be the one who is more aggressive tonight. i think he has a responsibility to do that because he's trailing in the polls. president obama, because he's ahead, he doesn't want to make any mistakes. but romney has the bigger challenge. he has to make an affirmative case for his presidency, not just why obama is bad, he has to fill in the blanks about which loopholes and deductions he's going to close. that 47% number hurt him so he has to show he cares and he has to distinguishes himself from george w. bush. >> that's a very key point. i'm going to revisit that point. >> and what is mitt romney's task, is it an overview, specifics on the tax front or does he defend himself on various gaffs? what is the key nut romney has to crack tonight? >> he has three things he has to do. he's a key debateor. the second thing is he will finally get the chance without the clutter of campaigns and attack ads to talk to the american people. this is mitt romney's chance and